As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAR 135.415(C) 1/13/12 ON CLIMBOUT OF FAI THE RIGHT THRUST REVERSER UNLOCK LIGHT CAME ON. THE FLIGHT CREW REDUCED THE AIRCRAFT SPEED AND THE LIGHT WENT OUT. RETURNED TO FAI AND LANDED WITHOUT FURTHER PROBLEMS. MAINTENANCE FOUND UPPER DOOR POSITION INDICATOR SWITCH (DPI) ON THE EDGE OF ADJUSTMENT. ADJUSTED AS REQUIRED.